The Smart Kid – Trivia 20

In chapter 7 of The Smart Kid, the school counselor is doing research on the mysterious student, so she uses a fax machine to receive a school photo from Oklahoma.
In 1979, fax machines were becoming popular but not widely used.
And the machines used an audio coupler: This audio tone was then transmitted using an acoustic coupler (a speaker, in this case) attached to the microphone of a common telephone handset.


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